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Home Switching Data Center Switches Arista DCS-7280CR3-32P4-R | 7280R3 Series 32x100G QSFP28 + 4x400G OSFP High-Performance Switch

Arista DCS-7280CR3-32P4-R | 7280R3 Series 32x100G QSFP28 + 4x400G OSFP High-Performance Switch
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Arista DCS-7280CR3-32P4-R | 7280R3 Series 32x100G QSFP28 + 4x400G OSFP High-Performance Switch

Brand:
Arista

Specifications

   Product Overview:
  • The Arista DCS-7280CR3-32P4-R is a robust and scalable Layer 2/Layer 3 data center switch engineered for high-performance computing, cloud-scale networking, and mission-critical enterprise applications. Featuring 32 QSFP28 ports supporting 100GbE and 4 OSFP ports supporting 400GbE, this switch delivers unmatched flexibility and port density in a compact form factor.
  • With a switching capacity of 4.8 Tbps, a forwarding rate of 2 billion packets per second, and ultra-low latency starting at just 3.8µs, it’s optimized for environments requiring speed, reliability, and advanced routing capabilities.
  • This model includes rear-to-front airflow, dual AC power supplies, and a powerful x86 CPU, making it ideal for energy-efficient deployment in modern leaf-spine or high-frequency trading environments.
   Key Features:
  • 32 x 100G QSFP28 ports for top-of-rack or spine aggregation
  • 4 x 400G OSFP uplinks for scalable core interconnect
  • Exceptional Throughput & Low Latency
  • Switching Capacity: 4.8 Terabits per second
  • Forwarding Rate: 2 Bpps
  • Latency: Starts from 3.8 microseconds, ideal for latency-sensitive apps
  • MAC Address Table: Supports up to 768,000 entries
  • IPv4 LPM Routes: Up to 1.3M (L3), 704K (Balanced)
  • IPv6 LPM Routes: Up to 440K (L3), 235K (Balanced)
  • Host Routes (IPv4): Up to 896K (Balanced), 256K (L3)
  • Multicast Routes: 448K (Balanced), 128K (L3)
  • VLANs: Supports up to 4096
  • Packet Buffer: 8GB for burst handling and congestion mitigation
  • System Memory: 8GB Flash and up to 32GB DRAM
   Specifications:
  • Model Number: DCS-7280CR3-32P4-R
  • Switch Series: Arista 7280R3
  • Port Configuration: 32 x 100G QSFP28 + 4 x 400G OSFP
  • Airflow Direction: Rear-to-Front
  • Power Supply: 2 x PWR-1011-AC-BLUE (Redundant)
  • Fan Modules: 3 x FAN-7011H-R (Hot-swappable)
  • Switching Capacity: 4.8 Tbps
  • Forwarding Rate: 2 Bpps
  • Latency: From 3.8µs
  • MAC Address Table Size: 768,000
  • Packet Buffer: 8GB
  • System Memory: 8GB Flash, up to 32GB DRAM
  • Routing Table (IPv4/IPv6): Up to 1.3M (IPv4), 440K (IPv6)
  • VLAN Support: 4096 VLANs
  • CPU: High-performance x86 processor
  • Operating System: Arista EOS
   Ideal For:
  • Enterprise core or aggregation layers
  • Cloud-scale and hyperscale data center networks
  • AI/ML or HPC clusters needing ultra-low latency and high bandwidth
  • Leaf-spine architectures with 100G/400G uplink requirements

Features

Brand:
Arista
Conditions:
New
Warranty:
1 Year